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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:12 AM CST 12:01 PM CST 4:49 PM CST
Civil Twilight 6:43 AM CST   5:18 PM CST
Nautical Twilight 6:10 AM CST   5:51 PM CST
Astronomical Twilight 5:39 AM CST   6:23 PM CST
Altitude -0.8° 29.5° -0.8°
Azimuth 119.0° 180.0° 241.0°
Hour Angle of the Sun 72.2° 72.1° -72.1°
Mean Anomaly of the Sun 341.15° 341.34° 341.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.81° -96.58° -96.36°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:38 AM CST   3:28 PM CST
Length of Visible Light 10h 35m
Length of Day
9h 37m
Waning Crescent, 6% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter